| undulating fever | <microbiology> A rare infection (less than 200 cases per year in the U.S.) caused by bacteria of the genus Brucella. Human infection results from occupational exposure to infected animals or by ingestion of infected milk, milk products or animal tissue. Symptoms are non-specific and include fever, malaise and weight loss. (27 Sep 1997) |
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| undulating membrane | Undulatory membrane, a locomotory organelle of certain flagellate (trypanosome and trichomonad) parasites, consisting of a finlike extension of the limiting membrane with the flagellar sheath; wavelike rippling of the undulating membrane produces a characteristic movement. (05 Mar 2000) |
| undulating pulse | A toneless pulse in which there is a succession of waves without character or force. Synonym: pulsus fluens. (05 Mar 2000) |
| undulating membrane |
Name given to two quite different structures in Protozoa; in some Mastigophora it is a fin-like ridge across the surface of a cell, with the axoneme of a flagellum near its surface; in some ciliates it is a line of cilia that are fused at their bases, usually beating to force food particles toward the gullet.
Ãâó: www.pestmanagement.co.uk/lib/glossary/glossary_u.s...
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| undulating m. |
1. in certain flagellate protozoa, a delicate finlike cytoplasmic membrane along the lateral aspect of the body; its outer margin is formed by a flagellum that may continue free beyond the end of the body. It serves a locomotor function; when it vibrates it produces undulating movements. 2. paroral m.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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